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Themes: Pests And Diseases

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266 Search Results

  • Publications
    Forestry publication document

    [Archive] Assessment of tree condition
    Lead Author: J.L. Innes
    Forest condition is now assessed annually in most European countries. This Field Book provides details of assessment procedures used by the Forestry Commission in their main monitoring programme. Although this programme is restricted to Sitka spruce, Norway spruce, Scots pine, oak and beech, the techniques that are described are applicable with little or no modification […]
  • Publications
    Forestry publication document

    [Archive] Nitrogen deficiency in Sitka spruce plantations
    Lead Author: C.M.A Taylor
    On moorland and heathland soils in Great Britain nitrogen deficiency can severely restrict the growth of certain conifer species, including Sitka spruce, the main commercial species. Until the 1970s this was thought to be due solely to competition from heather and was commonly known as ‘heather check’. However, increased planting of Sitka spruce on very […]
  • Publications
    Forestry publication document

    [Archive] Dendroctonus micans in Britain – it’s biology and control
    Lead Author: C.J. King
    The great European spruce bark beetle (Dendroctonus micans) was first identified as a breeding species in Britain in 1982. This insect’s distribution, pest status, biology, life cycle and control methods are described. Although its present population is limited to Wales, the English West Midlands and Lancashire, it is well established. Infestations are characterised by scattered […]
  • Publications
    Forestry publication document

    [Archive] Forest nursery herbicides (1989)
    Lead Author: D.R. Williamson
    In this Occasional paper information is given on the application of forest nursery herbicides. Much of this information is based on Forestry Commission trials. A brief description of the types of herbicide is given followed by information on the various herbicides which can be used at the different growth stages of forest nursery stock.Note: This […]
  • Publications
    Forestry publication document

    [Archive] The use of herbicides in the forest (3rd edition)
    Lead Author: D.R. Williamson
    The Book contains recommendations for the use of herbicides in the forest.
  • Publications
    Forestry publication document

    [Archive] Provisional code of practice for the use of pesticides in Great Britain
    Lead Author: Forestry Commission
    The Code of Practice in this Occasional Paper is made for the guidance of users of pesticides in forestry. It amplifies the requirements both of the Control of Pesticides Regulations 1986 and the Control of Substances Hazardous to Health Regulations, 1988. The code is intended to cover the use of pesticides for the protection of […]
  • Publications
    Forestry publication document

    [Archive] The green spruce aphid and Sitka spruce provenances in Britain
    Lead Author: C.I. Carter
    This Occasional Paper describes the damage caused by the green spruce aphid, Elatobium abietinum, to Sitka spruce growing in Britain. Following an outbreak of this aphid in South Wales in 1980, it was possible to compare the impact and recovery of shoot growth in experimental plots at Rhondda Forest of a IU FRO provenance collection […]
  • Publications
    Forestry publication document

    [Archive] The management of red deer in upland forests
    Lead Author: P.R. Ratcliffe
    This Bulletin is primarily concerned with the management of resident populations of red deer in commercial forests, and gives practical prescriptions for deer management based upon sound data collection and scientific method. All such prescriptions must be aimed at particular, well-defined deer populations occupying discrete ranges. There is an important emphasis throughout upon predictive management, […]
  • Publications
    Forestry publication document

    [Archive] Trees and weeds
    Lead Author: R.J. Davies
    Landscaped sites are often seeded with vigorous varieties ot grass and legume species, which, while reducing soil erosion and giving an attractive green appearance, may kill young trees or check their growth. Weeds compete with trees for moisture, nutrients and light; but they can also interfere by releasing toxins, modifying soil and air temperatures, and […]
  • Publications
    Forestry publication document

    [Archive] Forest insects
    Lead Author: D. Bevan
    The expansion in forestry planting since the end of the first world war has provided foresters in Britain with a great deal of fresh knowledge about the particular insect problems associated with these new habitats in different phases of crop life. Most of the 280 species described here are common subjects of enquiry, although some […]
  • Publications
    Forestry publication document

    [Archive] Rhododendron ponticum as a forest weed
    Lead Author: P.M. Tabbush
    Rhododendron ponticum is an evergreen shrub which forms dense thickets up to 5 metres in height. The large purple blooms appear in spring and are an attractive sight which has become commonplace especially on forested slopes in the west of the British Isles. Foresters are familiar with it as a most intractable weed, indeed control […]
  • Publications
    Forestry publication document

    [Archive] Population biology and control of the pine beauty moth
    Lead Author: S.R. Leather
    This Bulletin presents the papers which were given at a workshop held at the end of 1984 to bring together a wide range of researchers, within and outwith the Forestry Commission, working on problems presented by the new and sudden occurrence in the late 1970s of large scale and severe outbreaks of the Pine beauty […]